DirectoryIterator::getExtension
(PHP 5 >= 5.3.6, PHP 7, PHP 8)
DirectoryIterator::getExtension — Gets the file extension
Parameters
This function has no parameters.
Return Values
Returns a string containing the file extension, or an empty string if the file has no extension.
Examples
Example #1 DirectoryIterator::getExtension() example
<?php
$directory = new DirectoryIterator(__DIR__);
foreach ($directory as $fileinfo) {
if ($fileinfo->isFile()) {
echo $fileinfo->getExtension() . "\n";
}
}
?>The above example will output something similar to:
php txt jpg gz
Notes
Note:
Another way of getting the extension is to use the pathinfo() function.
<?php $extension = pathinfo($fileinfo->getFilename(), PATHINFO_EXTENSION); ?>
See Also
- DirectoryIterator::getFilename() - Return file name of current DirectoryIterator item
- DirectoryIterator::getBasename() - Get base name of current DirectoryIterator item
- pathinfo() - Returns information about a file path
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